#include <stdio.h>
#include <conio.h>

int main()
{
    int num, i;
    int flag;
    flag = 0;
    printf("Plz., enter any number to check, it is prime number or not... \n");
    printf("Pz., enter any number: ");
    scanf("%d", &num);

    for (i = 2; i <= (num - 1); i++)
    {
        if (num % i == 0)
        {
            printf("The given %d is non-prime number.", num);
            flag = 0;
            break;
        }
        flag = 1;
    }

    if (flag == 1)
    {
        printf("You have enter a prime number.");
    }
}